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Subject: [media] em28xx-video: simplify usage of the pointer to struct 
v4l2_ctrl_handler in em28xx_v4l2_init()
Author:  Frank Schaefer <[email protected]>
Date:    Mon Mar 24 16:33:08 2014 -0300

The local var hdl is already pointing to &dev->ctrl_handler.
Use it, instead of dereferencing it all the time.

Code cleanup. No functional changes.

Signed-off-by: Frank Schäfer <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/media/usb/em28xx/em28xx-video.c |   28 ++++++++++++++--------------
 1 files changed, 14 insertions(+), 14 deletions(-)

---

http://git.linuxtv.org/media_tree.git?a=commitdiff;h=ad2980557d10ae51cb3168d6ff7b4399a295d30d

diff --git a/drivers/media/usb/em28xx/em28xx-video.c 
b/drivers/media/usb/em28xx/em28xx-video.c
index 9090a46..d5bc315 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -2399,35 +2399,35 @@ static int em28xx_v4l2_init(struct em28xx *dev)
        /* Add image controls */
        /* NOTE: at this point, the subdevices are already registered, so bridge
         * controls are only added/enabled when no subdevice provides them */
-       if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_CONTRAST))
-               v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
+       if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_CONTRAST))
+               v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
                                  V4L2_CID_CONTRAST,
                                  0, 0x1f, 1, CONTRAST_DEFAULT);
-       if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_BRIGHTNESS))
-               v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
+       if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BRIGHTNESS))
+               v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
                                  V4L2_CID_BRIGHTNESS,
                                  -0x80, 0x7f, 1, BRIGHTNESS_DEFAULT);
-       if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_SATURATION))
-               v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
+       if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SATURATION))
+               v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
                                  V4L2_CID_SATURATION,
                                  0, 0x1f, 1, SATURATION_DEFAULT);
-       if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_BLUE_BALANCE))
-               v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
+       if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_BLUE_BALANCE))
+               v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
                                  V4L2_CID_BLUE_BALANCE,
                                  -0x30, 0x30, 1, BLUE_BALANCE_DEFAULT);
-       if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_RED_BALANCE))
-               v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
+       if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_RED_BALANCE))
+               v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
                                  V4L2_CID_RED_BALANCE,
                                  -0x30, 0x30, 1, RED_BALANCE_DEFAULT);
-       if (NULL == v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_SHARPNESS))
-               v4l2_ctrl_new_std(&dev->ctrl_handler, &em28xx_ctrl_ops,
+       if (NULL == v4l2_ctrl_find(hdl, V4L2_CID_SHARPNESS))
+               v4l2_ctrl_new_std(hdl, &em28xx_ctrl_ops,
                                  V4L2_CID_SHARPNESS,
                                  0, 0x0f, 1, SHARPNESS_DEFAULT);
 
        /* Reset image controls */
        em28xx_colorlevels_set_default(dev);
-       v4l2_ctrl_handler_setup(&dev->ctrl_handler);
-       ret = dev->ctrl_handler.error;
+       v4l2_ctrl_handler_setup(hdl);
+       ret = hdl->error;
        if (ret)
                goto unregister_dev;
 

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